Owl Carousel is not working with direction RTL

The Owl Carousel slider is not working with RTL. I add rtl: true in the configuration. But it's not loading the slider. The slider space is there and navigation is showing. But only the slider content is not showing. How can I fix this problem?

My code is given below:

<div class="row" id="brand-slider">
    <div class="item">
        <a href="#">
        <img src="{base_url()}assets/upload/brands/{$v.image}" class="img-responsive img-centered" alt="{$v.name}">
        </a>
    </div>
    <div class="item">
        <a href="#">
        <img src="{base_url()}assets/upload/brands/{$v.image}" class="img-responsive img-centered" alt="{$v.name}">
        </a>
    </div>
    <div class="item">
        <a href="#">
        <img src="{base_url()}assets/upload/brands/{$v.image}" class="img-responsive img-centered" alt="{$v.name}">
        </a>
    </div>
    <div class="item">
        <a href="#">
        <img src="{base_url()}assets/upload/brands/{$v.image}" class="img-responsive img-centered" alt="{$v.name}">
        </a>
    </div>
</div>

<script>
    $("#brand-slider").owlCarousel({
        rtl: true,
        loop: true,
        items: 6,
        pagination: false,
        autoPlay: true,
        responsive: true
    });
</script>

This solution worked for me

Add direction: ltr; to the the .owl-stage-outer class in the owl.carousel.min.css file , as following

.owl-stage-outer{
 position:relative;
 overflow:hidden;
 -webkit-transform:translate3d(0,0,0);
 direction: ltr;
}